| The Android Open Source Project | 9364f22 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <head> |
| 3 | <!-- |
| 4 | Copyright (C) 2007 Apple Inc. All rights reserved. |
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| 7 | modification, are permitted provided that the following conditions |
| 8 | are met: |
| 9 | 1. Redistributions of source code must retain the above copyright |
| 10 | notice, this list of conditions and the following disclaimer. |
| 11 | 2. Redistributions in binary form must reproduce the above copyright |
| 12 | notice, this list of conditions and the following disclaimer in the |
| 13 | documentation and/or other materials provided with the distribution. |
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| 15 | THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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| 27 | |
| 28 | <title>SunSpider math-partial-sums</title> |
| 29 | <link rel="stylesheet" href="sunspider.css"></link> |
| 30 | </head> |
| 31 | |
| 32 | <body> |
| 33 | <h3>math-partial-sums</h3> |
| 34 | <div id="console"> |
| 35 | </div> |
| 36 | <script src="sunspider-record-result.js"></script> |
| 37 | <script> |
| 38 | |
| 39 | var _sunSpiderStartDate = new Date(); |
| 40 | |
| 41 | // The Computer Language Shootout |
| 42 | // http://shootout.alioth.debian.org/ |
| 43 | // contributed by Isaac Gouy |
| 44 | |
| 45 | function partial(n){ |
| 46 | var a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 = 0.0; |
| 47 | var twothirds = 2.0/3.0; |
| 48 | var alt = -1.0; |
| 49 | var k2 = k3 = sk = ck = 0.0; |
| 50 | |
| 51 | for (var k = 1; k <= n; k++){ |
| 52 | k2 = k*k; |
| 53 | k3 = k2*k; |
| 54 | sk = Math.sin(k); |
| 55 | ck = Math.cos(k); |
| 56 | alt = -alt; |
| 57 | |
| 58 | a1 += Math.pow(twothirds,k-1); |
| 59 | a2 += Math.pow(k,-0.5); |
| 60 | a3 += 1.0/(k*(k+1.0)); |
| 61 | a4 += 1.0/(k3 * sk*sk); |
| 62 | a5 += 1.0/(k3 * ck*ck); |
| 63 | a6 += 1.0/k; |
| 64 | a7 += 1.0/k2; |
| 65 | a8 += alt/k; |
| 66 | a9 += alt/(2*k -1); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | for (var i = 1024; i <= 16384; i *= 2) { |
| 71 | partial(i); |
| 72 | } |
| 73 | |
| 74 | |
| 75 | |
| 76 | var _sunSpiderInterval = new Date() - _sunSpiderStartDate; |
| 77 | |
| 78 | record(_sunSpiderInterval); |
| 79 | </script> |
| 80 | |
| 81 | |
| 82 | </body> |
| 83 | </html> |